21181566

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{504323}}^1$

素因数の和:504335

約数の個数: 16

約数和(自身を含む): 48415104

約数和(自身を除く): 27233538

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 504323, 1008646, 1512969, 3025938, 3530261, 7060522, 10590783, 21181566]

約数ペア:

[(1, 21181566), (2, 10590783), (3, 7060522), (6, 3530261), (7, 3025938), (14, 1512969), (21, 1008646), (42, 504323)]